Question - The probability distribution for the random variable X is given in the following table:
| x | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 
| p(x) | 0.20 | 0.10 | 0.05 | 0.30 | 0.05 | 0.10 | 0.20 | 
a. Find p(X ≥ 0) and P(X > 0).
b. Find P(X2 > 1).
c. Find P(X ≥ 2 | X ≥ 0).
d. Construct the corresponding probability histogram.